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netcdf-c/nc_test/test_write.c

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moving to trunk subdir
2010-06-03 21:24:43 +08:00
/*********************************************************************
* Copyright 1996, UCAR/Unidata
* See netcdf/COPYRIGHT file for copying and redistribution conditions.
* $Id: test_write.c,v 1.33 2006/10/31 16:23:13 ed Exp $
*********************************************************************/
#include "tests.h"
#include "math.h"
#include <stdio.h> /* For FILE stuff. */
/*
* Test nc_create
* For mode in NC_NOCLOBBER, NC_CLOBBER do:
* create netcdf file 'scratch.nc' with no data, close it
* test that it can be opened, do nc_inq to check nvars = 0, etc.
* Try again in NC_NOCLOBBER mode, check error return
* On exit, delete this file
*/
void
test_nc_create(void)
{
int clobber; /* 0 for NC_NOCLOBBER, 1 for NC_CLOBBER */
int err;
int ncid;
int ndims; /* number of dimensions */
int nvars; /* number of variables */
int ngatts; /* number of global attributes */
int recdim; /* id of unlimited dimension */
for (clobber = 0; clobber < 2; clobber++) {
err = nc_create(scratch, clobber ? NC_CLOBBER : NC_NOCLOBBER, &ncid);
IF (err)
error("nc_create: %s", nc_strerror(err));
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = nc_open(scratch, NC_NOWRITE, &ncid);
IF (err)
error("nc_open: %s", nc_strerror(err));
err = nc_inq(ncid, &ndims, &nvars, &ngatts, &recdim);
IF (err)
error("nc_inq: %s", nc_strerror(err));
else IF (ndims != 0)
error("nc_inq: wrong number of dimensions returned, %d", ndims);
else IF (nvars != 0)
error("nc_inq: wrong number of variables returned, %d", nvars);
else IF (ngatts != 0)
error("nc_inq: wrong number of global atts returned, %d", ngatts);
else IF (recdim != -1)
error("nc_inq: wrong record dimension ID returned, %d", recdim);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
}
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err != NC_EEXIST)
error("attempt to overwrite file: status = %d", err);
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_redef
* (In fact also tests nc_enddef - called from test_nc_enddef)
* BAD_ID
* attempt redef (error) & enddef on read-only file
* create file, define dims & vars.
* attempt put var (error)
* attempt redef (error) & enddef.
* put vars
* attempt def new dims (error)
* redef
* def new dims, vars.
* put atts
* enddef
* put vars
* close
* check file: vars & atts
* check reopening with NC_WRITE and adding new dims, atts, vars
*/
void
test_nc_redef(void)
{
int ncid; /* netcdf id */
/* used to force effective test of ncio->move() in redef */
size_t sizehint = 8192;
int dimid; /* dimension id */
int varid; /* variable id */
int varid1; /* variable id */
int err;
const char * title = "Not funny";
double var;
char name[NC_MAX_NAME];
size_t length;
int fmt_variant1, fmt_variant2;
/* BAD_ID tests */
err = nc_redef(BAD_ID);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_enddef(BAD_ID);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
/* read-only tests */
err = nc_open(testfile, NC_NOWRITE, &ncid);
IF (err)
error("nc_open: %s", nc_strerror(err));
err = nc_redef(ncid);
IF (err != NC_EPERM)
error("nc_redef in NC_NOWRITE mode: status = %d", err);
err = nc_enddef(ncid);
IF (err != NC_ENOTINDEFINE)
error("nc_redef in NC_NOWRITE mode: status = %d", err);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
/* tests using scratch file */
err = nc__create(scratch, NC_NOCLOBBER, 0, &sizehint, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
/* limit for ncio implementations which have infinite chunksize */
if(sizehint > 32768)
sizehint = 16384;
def_dims(ncid);
def_vars(ncid);
put_atts(ncid);
err = nc_inq_varid(ncid, "d", &varid);
IF (err)
error("nc_inq_varid: %s", nc_strerror(err));
var = 1.0;
err = nc_put_var1_double(ncid, varid, NULL, &var);
IF (err != NC_EINDEFINE)
error("nc_put_var... in define mode: status = %d", err);
err = nc_redef(ncid);
IF (err != NC_EINDEFINE)
error("nc_redef in define mode: status = %d", err);
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
put_vars(ncid);
err = nc_def_dim(ncid, "abc", sizehint, &dimid);
IF (err != NC_ENOTINDEFINE)
error("nc_def_dim in define mode: status = %d", err);
err = nc_redef(ncid);
IF (err)
error("nc_redef: %s", nc_strerror(err));
#if 0
err = nc_set_fill(ncid, NC_NOFILL, NULL);
IF (err)
error("nc_set_fill: %s", nc_strerror(err));
#endif
err = nc_def_dim(ncid, "abc", sizehint, &dimid);
IF (err)
error("nc_def_dim: %s", nc_strerror(err));
err = nc_def_var(ncid, "abcScalar", NC_INT, 0, NULL, &varid);
IF (err)
error("nc_def_var: %s", nc_strerror(err));
err = nc_def_var(ncid, "abc", NC_INT, 1, &dimid, &varid1);
IF (err)
error("nc_def_var: %s", nc_strerror(err));
{
int dimids[NDIMS +1];
int ii = 0;
for(ii = 0; ii < NDIMS; ii++)
dimids[ii] = ii;
dimids[NDIMS] = dimid;
err = nc_def_var(ncid, "abcRec", NC_INT, NDIMS, dimids, &varid1);
IF (err)
error("nc_def_var: %s", nc_strerror(err));
}
err = nc_put_att_text(ncid, NC_GLOBAL, "title", 1+strlen(title), title);
IF (err)
error("nc_put_att_text: %s", nc_strerror(err));
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
var = 1.0;
err = nc_put_var1_double(ncid, varid, NULL, &var);
IF (err)
error("nc_put_var1_double: %s", nc_strerror(err));
err = nc_inq_format(ncid, &fmt_variant1);
IF (err)
error("nc_inq_format: %s", nc_strerror(err));
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
/* check scratch file written as expected */
/* These checks don't work for the HDF5 alpha releases so far, but
* Quincey tells me this will eventually work. Until then, block
* out the tests with the HDF5_ALPHA_RELEASE macro. */
#ifndef HDF5_ALPHA_RELEASE
check_file(scratch); /* checks all except "abc" stuff added above */
#endif
err = nc_open(scratch, NC_NOWRITE, &ncid);
IF (err)
error("nc_open: %s", nc_strerror(err));
err = nc_inq_dim(ncid, dimid, name, &length);
IF (err)
error("nc_inq_dim: %s", nc_strerror(err));
IF (strcmp(name, "abc") != 0)
error("Unexpected dim name");
IF (length != sizehint)
error("Unexpected dim length");
err = nc_get_var1_double(ncid, varid, NULL, &var);
IF (err)
error("nc_get_var1_double: %s", nc_strerror(err));
IF (var != 1.0)
error("nc_get_var1_double: unexpected value");
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
/* open scratch file for writing, add another dim, var, att, then check */
err = nc_open(scratch, NC_WRITE, &ncid);
IF (err)
error("nc_open: %s", nc_strerror(err));
err = nc_redef(ncid);
IF (err)
error("nc_redef: %s", nc_strerror(err));
err = nc_def_dim(ncid, "def", sizehint, &dimid);
IF (err)
error("nc_def_dim: %s", nc_strerror(err));
err = nc_def_var(ncid, "defScalar", NC_INT, 0, NULL, &varid);
IF (err)
error("nc_def_var: %s", nc_strerror(err));
err = nc_def_var(ncid, "def", NC_INT, 1, &dimid, &varid1);
IF (err)
error("nc_def_var: %s", nc_strerror(err));
err = nc_put_att_text(ncid, NC_GLOBAL, "Credits", 1+strlen("Thanks!"),
"Thanks!");
IF (err)
error("nc_put_att_text: %s", nc_strerror(err));
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
var = 2.0;
err = nc_put_var1_double(ncid, varid, NULL, &var);
IF (err)
error("nc_put_var1_double: %s", nc_strerror(err));
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
/* These checks don't work for the HDF5 alpha releases so far, but
* Quincey tells me this will eventually work. Until then, block
* out the tests with the HDF5_ALPHA_RELEASE macro. */
#ifndef HDF5_ALPHA_RELEASE
check_file(scratch);
#endif
err = nc_open(scratch, NC_NOWRITE, &ncid);
IF (err)
error("nc_open: %s", nc_strerror(err));
err = nc_inq_dim(ncid, dimid, name, &length);
IF (err)
error("nc_inq_dim: %s", nc_strerror(err));
IF (strcmp(name, "def") != 0)
error("Unexpected dim name");
IF (length != sizehint)
error("Unexpected dim length");
err = nc_get_var1_double(ncid, varid, NULL, &var);
IF (err)
error("nc_get_var1_double: %s", nc_strerror(err));
IF (var != 2.0)
error("nc_get_var1_double: unexpected value");
/* make sure format variant hasn't changed from when created */
err = nc_inq_format(ncid, &fmt_variant2);
IF (err)
error("nc_inq_format: %s", nc_strerror(err));
IF (fmt_variant1 != fmt_variant2)
error("nc_enddef changed format variant");
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_enddef
* Simply calls test_nc_redef which tests both nc_redef & nc_enddef
*/
void
test_nc_enddef(void)
{
test_nc_redef();
}
/*
* Test nc_sync
* try with bad handle, check error
* try in define mode, check error
* try writing with one handle, reading with another on same netCDF
*/
void
test_nc_sync(void)
{
int ncidw; /* netcdf id for writing */
int ncidr; /* netcdf id for reading */
int err;
/* BAD_ID test */
err = nc_sync(BAD_ID);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
/* create scratch file & try nc_sync in define mode */
err = nc_create(scratch, NC_NOCLOBBER, &ncidw);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
err = nc_sync(ncidw);
IF (err != NC_EINDEFINE)
error("nc_sync called in define mode: status = %d", err);
/* write using same handle */
def_dims(ncidw);
def_vars(ncidw);
put_atts(ncidw);
err = nc_enddef(ncidw);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
put_vars(ncidw);
err = nc_sync(ncidw);
IF (err)
error("nc_sync of ncidw failed: %s", nc_strerror(err));
/* open another handle, nc_sync, read (check) */
err = nc_open(scratch, NC_NOWRITE, &ncidr);
IF (err)
error("nc_open: %s", nc_strerror(err));
err = nc_sync(ncidr);
IF (err)
error("nc_sync of ncidr failed: %s", nc_strerror(err));
check_dims(ncidr);
check_atts(ncidr);
check_vars(ncidr);
/* close both handles */
err = nc_close(ncidr);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = nc_close(ncidw);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_abort
* try with bad handle, check error
* try in define mode before anything written, check that file was deleted
* try after nc_enddef, nc_redef, define new dims, vars, atts
* try after writing variable
*/
void
test_nc_abort(void)
{
int ncid; /* netcdf id */
int err;
int ndims;
int nvars;
int ngatts;
/* BAD_ID test */
err = nc_abort(BAD_ID);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
/* create scratch file & try nc_abort in define mode */
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
def_dims(ncid);
def_vars(ncid);
put_atts(ncid);
err = nc_abort(ncid);
IF (err)
error("nc_abort of ncid failed: %s", nc_strerror(err));
err = nc_close(ncid); /* should already be closed */
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = remove(scratch); /* should already be deleted */
IF (!err)
error("file %s should not exist", scratch);
/*
* create scratch file
* do nc_enddef & nc_redef
* define new dims, vars, atts
* try nc_abort: should restore previous state (no dims, vars, atts)
*/
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
err = nc_redef(ncid);
IF (err)
error("nc_redef: %s", nc_strerror(err));
def_dims(ncid);
def_vars(ncid);
put_atts(ncid);
err = nc_abort(ncid);
IF (err)
error("nc_abort of ncid failed: %s", nc_strerror(err));
err = nc_close(ncid); /* should already be closed */
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_open(scratch, NC_NOWRITE, &ncid);
IF (err)
error("nc_open: %s", nc_strerror(err));
err = nc_inq (ncid, &ndims, &nvars, &ngatts, NULL);
IF (err)
error("nc_inq: %s", nc_strerror(err));
IF (ndims != 0)
error("ndims should be 0");
IF (nvars != 0)
error("nvars should be 0");
IF (ngatts != 0)
error("ngatts should be 0");
err = nc_close (ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
/* try nc_abort in data mode - should just close */
err = nc_create(scratch, NC_CLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
def_dims(ncid);
def_vars(ncid);
put_atts(ncid);
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
put_vars(ncid);
err = nc_abort(ncid);
IF (err)
error("nc_abort of ncid failed: %s", nc_strerror(err));
err = nc_close(ncid); /* should already be closed */
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
check_file(scratch);
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_def_dim
* try with bad netCDF handle, check error
* try in data mode, check error
* check that returned id is one more than previous id
* try adding same dimension twice, check error
* try with illegal sizes, check error
* make sure unlimited size works, shows up in nc_inq_unlimdim
* try to define a second unlimited dimension, check error
*/
void
test_nc_def_dim(void)
{
int ncid;
int err; /* status */
int i;
int dimid; /* dimension id */
size_t length;
/* BAD_ID test */
err = nc_def_dim(BAD_ID, "abc", 8, &dimid);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
/* data mode test */
err = nc_create(scratch, NC_CLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
err = nc_def_dim(ncid, "abc", 8, &dimid);
IF (err != NC_ENOTINDEFINE)
error("bad ncid: status = %d", err);
/* define-mode tests: unlimited dim */
err = nc_redef(ncid);
IF (err)
error("nc_redef: %s", nc_strerror(err));
err = nc_def_dim(ncid, dim_name[0], NC_UNLIMITED, &dimid);
IF (err)
error("nc_def_dim: %s", nc_strerror(err));
IF (dimid != 0)
error("Unexpected dimid");
err = nc_inq_unlimdim(ncid, &dimid);
IF (err)
error("nc_inq_unlimdim: %s", nc_strerror(err));
IF (dimid != 0)
error("Unexpected recdim");
err = nc_inq_dimlen(ncid, dimid, &length);
IF (length != 0)
error("Unexpected length");
err = nc_def_dim(ncid, "abc", NC_UNLIMITED, &dimid);
IF (err != NC_EUNLIMIT)
error("2nd unlimited dimension: status = %d", err);
/* define-mode tests: remaining dims */
for (i = 1; i < NDIMS; i++) {
err = nc_def_dim(ncid, dim_name[i-1], dim_len[i], &dimid);
IF (err != NC_ENAMEINUSE)
error("duplicate name: status = %d", err);
err = nc_def_dim(ncid, BAD_NAME, dim_len[i], &dimid);
IF (err != NC_EBADNAME)
error("bad name: status = %d", err);
err = nc_def_dim(ncid, dim_name[i], NC_UNLIMITED-1, &dimid);
IF (err != NC_EDIMSIZE)
error("bad size: status = %d", err);
err = nc_def_dim(ncid, dim_name[i], dim_len[i], &dimid);
IF (err)
error("nc_def_dim: %s", nc_strerror(err));
IF (dimid != i)
error("Unexpected dimid");
}
/* Following just to expand unlimited dim */
def_vars(ncid);
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
put_vars(ncid);
/* Check all dims */
check_dims(ncid);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_rename_dim
* try with bad netCDF handle, check error
* check that proper rename worked with nc_inq_dim
* try renaming to existing dimension name, check error
* try with bad dimension handle, check error
*/
void
test_nc_rename_dim(void)
{
int ncid;
int err; /* status */
char name[NC_MAX_NAME];
/* BAD_ID test */
err = nc_rename_dim(BAD_ID, 0, "abc");
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
/* main tests */
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
def_dims(ncid);
err = nc_rename_dim(ncid, BAD_DIMID, "abc");
IF (err != NC_EBADDIM)
error("bad dimid: status = %d", err);
err = nc_rename_dim(ncid, 2, "abc");
IF (err)
error("nc_rename_dim: %s", nc_strerror(err));
err = nc_inq_dimname(ncid, 2, name);
IF (strcmp(name, "abc") != 0)
error("Unexpected name: %s", name);
err = nc_rename_dim(ncid, 0, "abc");
IF (err != NC_ENAMEINUSE)
error("duplicate name: status = %d", err);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_def_var
* try with bad netCDF handle, check error
* try with bad name, check error
* scalar tests:
* check that proper define worked with nc_inq_var
* try redefining an existing variable, check error
* try with bad datatype, check error
* try with bad number of dimensions, check error
* try in data mode, check error
* check that returned id is one more than previous id
* try with bad dimension ids, check error
*/
void
test_nc_def_var(void)
{
int ncid;
int varid;
int err; /* status */
int i;
int ndims;
int natts;
char name[NC_MAX_NAME];
int dimids[MAX_RANK];
nc_type datatype;
/* BAD_ID test */
err = nc_def_var(BAD_ID, "abc", NC_SHORT, 0, NULL, &varid);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
/* scalar tests */
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
err = nc_def_var(ncid, "abc", NC_SHORT, 0, NULL, &varid);
IF (err)
error("nc_def_var: %s", nc_strerror(err));
err = nc_inq_var(ncid, varid, name, &datatype, &ndims, dimids, &natts);
IF (err)
error("nc_inq_var: %s", nc_strerror(err));
IF (strcmp(name, "abc") != 0)
error("Unexpected name: %s", name);
IF (datatype != NC_SHORT)
error("Unexpected datatype");
IF (ndims != 0)
error("Unexpected rank");
err = nc_def_var(ncid, BAD_NAME, NC_SHORT, 0, NULL, &varid);
IF (err != NC_EBADNAME)
error("bad name: status = %d", err);
err = nc_def_var(ncid, "abc", NC_SHORT, 0, NULL, &varid);
IF (err != NC_ENAMEINUSE)
error("duplicate name: status = %d", err);
err = nc_def_var(ncid, "ABC", BAD_TYPE, -1, dimids, &varid);
IF (err != NC_EBADTYPE)
error("bad type: status = %d", err);
err = nc_def_var(ncid, "ABC", NC_SHORT, -1, dimids, &varid);
IF (err != NC_EINVAL)
error("bad rank: status = %d", err);
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
err = nc_def_var(ncid, "ABC", NC_SHORT, 0, dimids, &varid);
IF (err != NC_ENOTINDEFINE)
error("nc_def_var called in data mode: status = %d", err);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
/* general tests using global vars */
err = nc_create(scratch, NC_CLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
def_dims(ncid);
for (i = 0; i < NVARS; i++) {
err = nc_def_var(ncid, var_name[i], var_type[i], var_rank[i],
var_dimid[i], &varid);
IF (err)
error("nc_def_var: %s", nc_strerror(err));
IF (varid != i)
error("Unexpected varid");
}
/* try bad dim ids */
dimids[0] = BAD_DIMID;
err = nc_def_var(ncid, "abc", NC_SHORT, 1, dimids, &varid);
IF (err != NC_EBADDIM)
error("bad dim ids: status = %d", err);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_put_var1
*/
void
test_nc_put_var1(void)
{
int ncid;
int i;
int j;
int err;
size_t index[MAX_RANK];
double value;
double buf[1]; /* (void *) buffer */
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
def_dims(ncid);
def_vars(ncid);
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
for (i = 0; i < NVARS; i++) {
for (j = 0; j < var_rank[i]; j++)
index[j] = 0;
err = nc_put_var1(BAD_ID, i, index, buf);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_put_var1(ncid, BAD_VARID, index, buf);
IF (err != NC_ENOTVAR)
error("bad var id: status = %d", err);
for (j = 0; j < var_rank[i]; j++) {
if (var_dimid[i][j] > 0) { /* skip record dim */
index[j] = var_shape[i][j];
err = nc_put_var1(ncid, i, index, buf);
IF (err != NC_EINVALCOORDS)
error("bad index: status = %d", err);
index[j] = 0;
}
}
for (j = 0; j < var_nels[i]; j++) {
err = toMixedBase(j, var_rank[i], var_shape[i], index);
IF (err)
error("error in toMixedBase");
value = hash( var_type[i], var_rank[i], index);
if (inRange(value, var_type[i])) {
err = dbl2nc(value, var_type[i], buf);
IF (err)
error("error in dbl2nc");
if (var_rank[i] == 0 && i%2 == 0)
err = nc_put_var1(ncid, i, NULL, buf);
else
err = nc_put_var1(ncid, i, index, buf);
IF (err)
error("%s", nc_strerror(err));
}
}
}
check_vars(ncid);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_put_vara
* Choose a random point dividing each dim into 2 parts
* Put 2^rank (nslabs) slabs so defined
* Redefine buffer for each put.
* At end check all variables using check_vars
*/
void
test_nc_put_vara(void)
{
int ncid;
int d;
int i;
int j;
int k;
int err;
int nels;
int nslabs;
size_t start[MAX_RANK];
size_t edge[MAX_RANK];
size_t index[MAX_RANK];
size_t mid[MAX_RANK];
double buf[MAX_NELS]; /* (void *) buffer */
char *p; /* (void *) pointer */
double value;
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
def_dims(ncid);
def_vars(ncid);
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
for (i = 0; i < NVARS; i++) {
assert(var_rank[i] <= MAX_RANK);
assert(var_nels[i] <= MAX_NELS);
for (j = 0; j < var_rank[i]; j++) {
start[j] = 0;
edge[j] = 1;
}
err = nc_put_vara(BAD_ID, i, start, edge, buf);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_put_vara(ncid, BAD_VARID, start, edge, buf);
IF (err != NC_ENOTVAR)
error("bad var id: status = %d", err);
for (j = 0; j < var_rank[i]; j++) {
if (var_dimid[i][j] > 0) { /* skip record dim */
start[j] = var_shape[i][j];
err = nc_put_vara(ncid, i, start, edge, buf);
IF (err != NC_EINVALCOORDS)
error("bad index: status = %d", err);
start[j] = 0;
edge[j] = var_shape[i][j] + 1;
err = nc_put_vara(ncid, i, start, edge, buf);
IF (err != NC_EEDGE)
error("bad edge: status = %d", err);
edge[j] = 1;
}
}
/* Choose a random point dividing each dim into 2 parts */
/* put 2^rank (nslabs) slabs so defined */
nslabs = 1;
for (j = 0; j < var_rank[i]; j++) {
mid[j] = roll( var_shape[i][j] );
nslabs *= 2;
}
/* bits of k determine whether to put lower or upper part of dim */
for (k = 0; k < nslabs; k++) {
nels = 1;
for (j = 0; j < var_rank[i]; j++) {
if ((k >> j) & 1) {
start[j] = 0;
edge[j] = mid[j];
}else{
start[j] = mid[j];
edge[j] = var_shape[i][j] - mid[j];
}
nels *= edge[j];
}
p = (char *) buf;
for (j = 0; j < nels; j++) {
err = toMixedBase(j, var_rank[i], edge, index);
IF (err)
error("error in toMixedBase");
for (d = 0; d < var_rank[i]; d++)
index[d] += start[d];
value = hash( var_type[i], var_rank[i], index);
if (!inRange(value, var_type[i]))
value = 0;
err = dbl2nc(value, var_type[i], p);
IF (err)
error("error in dbl2nc");
p += nctypelen(var_type[i]);
}
if (var_rank[i] == 0 && i%2 == 0)
err = nc_put_vara(ncid, i, NULL, NULL, buf);
else
err = nc_put_vara(ncid, i, start, edge, buf);
IF (err) {
error("%s", nc_strerror(err));
}
}
}
check_vars(ncid);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_put_vars
* Choose a random point dividing each dim into 2 parts
* Put 2^rank (nslabs) slabs so defined
* Choose random stride from 1 to edge
* Redefine buffer for each put.
* At end check all variables using check_vars
*/
void
test_nc_put_vars(void)
{
int ncid;
int d;
int i;
int j;
int k;
int m;
int err;
int nels;
int nslabs;
int nstarts; /* number of different starts */
size_t start[MAX_RANK];
size_t edge[MAX_RANK];
size_t index[MAX_RANK];
size_t index2[MAX_RANK];
size_t mid[MAX_RANK];
size_t count[MAX_RANK];
size_t sstride[MAX_RANK];
ptrdiff_t stride[MAX_RANK];
double buf[MAX_NELS]; /* (void *) buffer */
char *p; /* (void *) pointer */
double value;
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
def_dims(ncid);
def_vars(ncid);
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
for (i = 0; i < NVARS; i++) {
assert(var_rank[i] <= MAX_RANK);
assert(var_nels[i] <= MAX_NELS);
for (j = 0; j < var_rank[i]; j++) {
start[j] = 0;
edge[j] = 1;
stride[j] = 1;
}
err = nc_put_vars(BAD_ID, i, start, edge, stride, buf);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_put_vars(ncid, BAD_VARID, start, edge, stride, buf);
IF (err != NC_ENOTVAR)
error("bad var id: status = %d", err);
for (j = 0; j < var_rank[i]; j++) {
if (var_dimid[i][j] > 0) { /* skip record dim */
start[j] = var_shape[i][j];
err = nc_put_vars(ncid, i, start, edge, stride, buf);
IF (err != NC_EINVALCOORDS && err != NC_EEDGE)
error("bad index: status = %d", err);
start[j] = 0;
edge[j] = var_shape[i][j] + 1;
err = nc_put_vars(ncid, i, start, edge, stride, buf);
IF (err != NC_EEDGE)
error("bad edge: status = %d", err);
edge[j] = 1;
stride[j] = 0;
err = nc_put_vars(ncid, i, start, edge, stride, buf);
IF (err != NC_ESTRIDE)
error("bad stride: status = %d", err);
stride[j] = 1;
}
}
/* Choose a random point dividing each dim into 2 parts */
/* put 2^rank (nslabs) slabs so defined */
nslabs = 1;
for (j = 0; j < var_rank[i]; j++) {
mid[j] = roll( var_shape[i][j] );
nslabs *= 2;
}
/* bits of k determine whether to put lower or upper part of dim */
/* choose random stride from 1 to edge */
for (k = 0; k < nslabs; k++) {
nstarts = 1;
for (j = 0; j < var_rank[i]; j++) {
if ((k >> j) & 1) {
start[j] = 0;
edge[j] = mid[j];
}else{
start[j] = mid[j];
edge[j] = var_shape[i][j] - mid[j];
}
sstride[j] = stride[j] = edge[j] > 0 ? 1+roll(edge[j]) : 1;
nstarts *= stride[j];
}
for (m = 0; m < nstarts; m++) {
err = toMixedBase(m, var_rank[i], sstride, index);
IF (err)
error("error in toMixedBase");
nels = 1;
for (j = 0; j < var_rank[i]; j++) {
count[j] = 1 + (edge[j] - index[j] - 1) / stride[j];
nels *= count[j];
index[j] += start[j];
}
/* Random choice of forward or backward */
/* TODO
if ( roll(2) ) {
for (j = 0; j < var_rank[i]; j++) {
index[j] += (count[j] - 1) * stride[j];
stride[j] = -stride[j];
}
}
*/
p = (char *) buf;
for (j = 0; j < nels; j++) {
err = toMixedBase(j, var_rank[i], count, index2);
IF (err)
error("error in toMixedBase");
for (d = 0; d < var_rank[i]; d++)
index2[d] = index[d] + index2[d] * stride[d];
value = hash( var_type[i], var_rank[i], index2);
if (!inRange(value, var_type[i]))
value = 0;
err = dbl2nc(value, var_type[i], p);
IF (err)
error("error in dbl2nc");
p += nctypelen(var_type[i]);
}
if (var_rank[i] == 0 && i%2 == 0)
err = nc_put_vars(ncid, i, NULL, NULL, NULL, buf);
else
err = nc_put_vars(ncid, i, index, count, stride, buf);
IF (err) {
error("%s", nc_strerror(err));
}
}
}
}
check_vars(ncid);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_put_varm
* Choose a random point dividing each dim into 2 parts
* Put 2^rank (nslabs) slabs so defined
* Choose random stride from 1 to edge
* Buffer is bit image of whole external variable.
* So all puts for a variable put different elements of buffer
* At end check all variables using check_vars
*/
void
test_nc_put_varm(void)
{
int ncid;
int i;
int j;
int k;
int m;
int err;
int nslabs;
int nstarts; /* number of different starts */
size_t start[MAX_RANK];
size_t edge[MAX_RANK];
size_t index[MAX_RANK];
size_t mid[MAX_RANK];
size_t count[MAX_RANK];
size_t sstride[MAX_RANK];
ptrdiff_t stride[MAX_RANK];
ptrdiff_t imap[MAX_RANK];
ptrdiff_t imap2[MAX_RANK];
double buf[MAX_NELS]; /* (void *) buffer */
char *p; /* (void *) pointer */
double value;
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
def_dims(ncid);
def_vars(ncid);
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
for (i = 0; i < NVARS; i++) {
assert(var_rank[i] <= MAX_RANK);
assert(var_nels[i] <= MAX_NELS);
for (j = 0; j < var_rank[i]; j++) {
start[j] = 0;
edge[j] = 1;
stride[j] = 1;
}
if (var_rank[i] > 0) {
j = var_rank[i] - 1;
imap[j] = nctypelen(var_type[i]);
for (; j > 0; j--)
imap[j-1] = imap[j] * var_shape[i][j];
}
p = (char *) buf;
for (j = 0; j < var_nels[i]; j++) {
err = toMixedBase(j, var_rank[i], var_shape[i], index);
IF (err)
error("error in toMixedBase");
value = hash( var_type[i], var_rank[i], index);
if (!inRange(value, var_type[i]))
value = 0;
err = dbl2nc(value, var_type[i], p);
IF (err)
error("error in dbl2nc");
p += nctypelen(var_type[i]);
}
err = nc_put_varm(BAD_ID, i, start, edge, stride, imap, buf);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_put_varm(ncid, BAD_VARID, start, edge, stride, imap, buf);
IF (err != NC_ENOTVAR)
error("bad var id: status = %d", err);
for (j = 0; j < var_rank[i]; j++) {
if (var_dimid[i][j] > 0) { /* skip record dim */
start[j] = var_shape[i][j];
err = nc_put_varm(ncid, i, start, edge, stride, imap, buf);
IF (err != NC_EINVALCOORDS && err != NC_EEDGE)
error("bad index: status = %d", err);
start[j] = 0;
edge[j] = var_shape[i][j] + 1;
err = nc_put_varm(ncid, i, start, edge, stride, imap, buf);
IF (err != NC_EEDGE)
error("bad edge: status = %d", err);
edge[j] = 1;
stride[j] = 0;
err = nc_put_varm(ncid, i, start, edge, stride, imap, buf);
IF (err != NC_ESTRIDE)
error("bad stride: status = %d", err);
stride[j] = 1;
}
}
/* Choose a random point dividing each dim into 2 parts */
/* put 2^rank (nslabs) slabs so defined */
nslabs = 1;
for (j = 0; j < var_rank[i]; j++) {
mid[j] = roll( var_shape[i][j] );
nslabs *= 2;
}
/* bits of k determine whether to put lower or upper part of dim */
/* choose random stride from 1 to edge */
for (k = 0; k < nslabs; k++) {
nstarts = 1;
for (j = 0; j < var_rank[i]; j++) {
if ((k >> j) & 1) {
start[j] = 0;
edge[j] = mid[j];
}else{
start[j] = mid[j];
edge[j] = var_shape[i][j] - mid[j];
}
sstride[j] = stride[j] = edge[j] > 0 ? 1+roll(edge[j]) : 1;
imap2[j] = imap[j] * sstride[j];
nstarts *= stride[j];
}
for (m = 0; m < nstarts; m++) {
if (var_rank[i] == 0 && i%2 == 0) {
err = nc_put_varm(ncid, i, NULL, NULL, NULL, NULL, buf);
} else {
err = toMixedBase(m, var_rank[i], sstride, index);
IF (err)
error("error in toMixedBase");
for (j = 0; j < var_rank[i]; j++) {
count[j] = 1 + (edge[j] - index[j] - 1) / stride[j];
index[j] += start[j];
}
/* Random choice of forward or backward */
/* TODO
if ( roll(2) ) {
for (j = 0; j < var_rank[i]; j++) {
index[j] += (count[j] - 1) * stride[j];
stride[j] = -stride[j];
}
}
*/
j = fromMixedBase(var_rank[i], index, var_shape[i]);
p = (char *) buf + j * nctypelen(var_type[i]);
err = nc_put_varm(ncid, i, index, count, stride, imap2, p);
}
IF (err) {
error("%s", nc_strerror(err));
}
}
}
}
check_vars(ncid);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_rename_var
* try with bad netCDF handle, check error
* try with bad variable handle, check error
* try renaming to existing variable name, check error
* check that proper rename worked with nc_inq_varid
* try in data mode, check error
*/
void
test_nc_rename_var(void)
{
int ncid;
int varid;
int err;
int i;
char name[NC_MAX_NAME];
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
err = nc_rename_var(ncid, BAD_VARID, "newName");
IF (err != NC_ENOTVAR)
error("bad var id: status = %d", err);
def_dims(ncid);
def_vars(ncid);
/* Prefix "new_" to each name */
for (i = 0; i < NVARS; i++) {
err = nc_rename_var(BAD_ID, i, "newName");
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_rename_var(ncid, i, var_name[NVARS-1]);
IF (err != NC_ENAMEINUSE)
error("duplicate name: status = %d", err);
(void) strcpy(name, "new_");
(void) strcat(name, var_name[i]);
err = nc_rename_var(ncid, i, name);
IF (err)
error("nc_rename_var: %s", nc_strerror(err));
err = nc_inq_varid(ncid, name, &varid);
IF (err)
error("nc_inq_varid: %s", nc_strerror(err));
IF (varid != i)
error("Unexpected varid");
}
/* Change to data mode */
/* Try making names even longer. Then restore original names */
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
for (i = 0; i < NVARS; i++) {
(void) strcpy(name, "even_longer_");
(void) strcat(name, var_name[i]);
err = nc_rename_var(ncid, i, name);
IF (err != NC_ENOTINDEFINE)
error("longer name in data mode: status = %d", err);
err = nc_rename_var(ncid, i, var_name[i]);
IF (err)
error("nc_rename_var: %s", nc_strerror(err));
err = nc_inq_varid(ncid, var_name[i], &varid);
IF (err)
error("nc_inq_varid: %s", nc_strerror(err));
IF (varid != i)
error("Unexpected varid");
}
put_vars(ncid);
check_vars(ncid);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
void
test_nc_put_att(void)
{
int ncid;
int varid;
int i;
int j;
size_t k;
int err;
double buf[MAX_NELS]; /* (void *) buffer */
char *p; /* (void *) pointer */
char *name; /* of att */
nc_type datatype; /* of att */
size_t length; /* of att */
double value;
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
def_dims(ncid);
def_vars(ncid);
for (i = -1; i < NVARS; i++) {
varid = VARID(i);
for (j = 0; j < NATTS(i); j++) {
name = ATT_NAME(i,j);
datatype = ATT_TYPE(i,j);
length = ATT_LEN(i,j);
err = nc_put_att(BAD_ID, varid, name, datatype, length, buf);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_put_att(ncid, varid, BAD_NAME, datatype, length, buf);
IF (err != NC_EBADNAME)
error("bad name: status = %d", err);
err = nc_put_att(ncid, BAD_VARID, name, datatype, length, buf);
IF (err != NC_ENOTVAR)
error("bad var id: status = %d", err);
err = nc_put_att(ncid, varid, name, BAD_TYPE, length, buf);
IF (err != NC_EBADTYPE)
error("bad type: status = %d", err);
p = (char *) buf;
for (k = 0; k < length; k++) {
value = hash(datatype, -1, &k );
if (!inRange(value, datatype))
value = 0;
err = dbl2nc(value, datatype, p);
IF (err)
error("error in dbl2nc");
p += nctypelen(datatype);
}
err = nc_put_att(ncid, varid, name, datatype, length, buf);
IF (err) {
error("%s", nc_strerror(err));
}
}
}
check_atts(ncid);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_copy_att
* try with bad source or target netCDF handles, check error
* try with bad source or target variable handle, check error
* try with nonexisting attribute, check error
* check that NC_GLOBAL variable for source or target works
* check that new attribute put works with target in define mode
* check that old attribute put works with target in data mode
* check that changing type and length of an attribute work OK
* try with same ncid for source and target, different variables
* try with same ncid for source and target, same variable
*/
void
test_nc_copy_att(void)
{
int ncid_in;
int ncid_out;
int varid;
int err;
int i;
int j;
char *name; /* of att */
nc_type datatype; /* of att */
size_t length; /* of att */
char value;
err = nc_open(testfile, NC_NOWRITE, &ncid_in);
IF (err)
error("nc_open: %s", nc_strerror(err));
err = nc_create(scratch, NC_NOCLOBBER, &ncid_out);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
def_dims(ncid_out);
def_vars(ncid_out);
for (i = -1; i < NVARS; i++) {
varid = VARID(i);
for (j = 0; j < NATTS(i); j++) {
name = ATT_NAME(i,j);
err = nc_copy_att(ncid_in, BAD_VARID, name, ncid_out, varid);
IF (err != NC_ENOTVAR)
error("bad var id: status = %d", err);
err = nc_copy_att(ncid_in, varid, name, ncid_out, BAD_VARID);
IF (err != NC_ENOTVAR)
error("bad var id: status = %d", err);
err = nc_copy_att(BAD_ID, varid, name, ncid_out, varid);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_copy_att(ncid_in, varid, name, BAD_ID, varid);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_copy_att(ncid_in, varid, "noSuch", ncid_out, varid);
IF (err != NC_ENOTATT)
error("bad attname: status = %d", err);
err = nc_copy_att(ncid_in, varid, name, ncid_out, varid);
IF (err)
error("nc_copy_att: %s", nc_strerror(err));
err = nc_copy_att(ncid_out, varid, name, ncid_out, varid);
IF (err)
error("source = target: %s", nc_strerror(err));
}
}
err = nc_close(ncid_in);
IF (err)
error("nc_close: %s", nc_strerror(err));
/* Close scratch. Reopen & check attributes */
err = nc_close(ncid_out);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = nc_open(scratch, NC_WRITE, &ncid_out);
IF (err)
error("nc_open: %s", nc_strerror(err));
check_atts(ncid_out);
/*
* change to define mode
* define single char. global att. ':a' with value 'A'
* This will be used as source for following copies
*/
err = nc_redef(ncid_out);
IF (err)
error("nc_redef: %s", nc_strerror(err));
err = nc_put_att_text(ncid_out, NC_GLOBAL, "a", 1, "A");
IF (err)
error("nc_put_att_text: %s", nc_strerror(err));
/*
* change to data mode
* Use scratch as both source & dest.
* try copy to existing att. change type & decrease length
* rename 1st existing att of each var (if any) 'a'
* if this att. exists them copy ':a' to it
*/
err = nc_enddef(ncid_out);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
for (i = 0; i < NVARS; i++) {
if (NATTS(i) > 0 && ATT_LEN(i,j) > 0) {
err = nc_rename_att(ncid_out, i, att_name[i][0], "a");
IF (err)
error("nc_rename_att: %s", nc_strerror(err));
err = nc_copy_att(ncid_out, NC_GLOBAL, "a", ncid_out, i);
IF (err)
error("nc_copy_att: %s", nc_strerror(err));
}
}
err = nc_close(ncid_out);
IF (err)
error("nc_close: %s", nc_strerror(err));
/* Reopen & check */
err = nc_open(scratch, NC_WRITE, &ncid_out);
IF (err)
error("nc_open: %s", nc_strerror(err));
for (i = 0; i < NVARS; i++) {
if (NATTS(i) > 0 && ATT_LEN(i,j) > 0) {
err = nc_inq_att(ncid_out, i, "a", &datatype, &length);
IF (err)
error("nc_inq_att: %s", nc_strerror(err));
IF (datatype != NC_CHAR)
error("Unexpected type");
IF (length != 1)
error("Unexpected length");
err = nc_get_att_text(ncid_out, i, "a", &value);
IF (err)
error("nc_get_att_text: %s", nc_strerror(err));
IF (value != 'A')
error("Unexpected value");
}
}
err = nc_close(ncid_out);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_rename_att
* try with bad netCDF handle, check error
* try with bad variable handle, check error
* try with nonexisting att name, check error
* try renaming to existing att name, check error
* check that proper rename worked with nc_inq_attid
* try in data mode, check error
*/
void
test_nc_rename_att(void)
{
int ncid;
int varid;
int err;
int i;
int j;
size_t k;
int attnum;
char *attname;
char name[NC_MAX_NAME];
char oldname[NC_MAX_NAME];
char newname[NC_MAX_NAME];
int nok = 0; /* count of valid comparisons */
nc_type datatype;
nc_type atttype;
size_t length;
size_t attlength;
char text[MAX_NELS];
double value[MAX_NELS];
double expect;
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
err = nc_rename_att(ncid, BAD_VARID, "abc", "newName");
IF (err != NC_ENOTVAR)
error("bad var id: status = %d", err);
def_dims(ncid);
def_vars(ncid);
put_atts(ncid);
for (i = -1; i < NVARS; i++) {
varid = VARID(i);
for (j = 0; j < NATTS(i); j++) {
attname = ATT_NAME(i,j);
err = nc_rename_att(BAD_ID, varid, attname, "newName");
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_rename_att(ncid, varid, "noSuch", "newName");
IF (err != NC_ENOTATT)
error("bad attname: status = %d", err);
(void) strcpy(newname, "new_");
(void) strcat(newname, attname);
err = nc_rename_att(ncid, varid, attname, newname);
IF (err)
error("nc_rename_att: %s", nc_strerror(err));
err = nc_inq_attid(ncid, varid, newname, &attnum);
IF (err)
error("nc_inq_attid: %s", nc_strerror(err));
IF (attnum != j)
error("Unexpected attnum");
}
}
/* Close. Reopen & check */
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = nc_open(scratch, NC_WRITE, &ncid);
IF (err)
error("nc_open: %s", nc_strerror(err));
for (i = -1; i < NVARS; i++) {
varid = VARID(i);
for (j = 0; j < NATTS(i); j++) {
attname = ATT_NAME(i,j);
atttype = ATT_TYPE(i,j);
attlength = ATT_LEN(i,j);
(void) strcpy(newname, "new_");
(void) strcat(newname, attname);
err = nc_inq_attname(ncid, varid, j, name);
IF (err)
error("nc_inq_attname: %s", nc_strerror(err));
IF (strcmp(name, newname) != 0)
error("nc_inq_attname: unexpected name");
err = nc_inq_att(ncid, varid, name, &datatype, &length);
IF (err)
error("nc_inq_att: %s", nc_strerror(err));
IF (datatype != atttype)
error("nc_inq_att: unexpected type");
IF (length != attlength)
error("nc_inq_att: unexpected length");
if (datatype == NC_CHAR) {
err = nc_get_att_text(ncid, varid, name, text);
IF (err)
error("nc_get_att_text: %s", nc_strerror(err));
for (k = 0; k < attlength; k++) {
expect = hash(datatype, -1, &k);
IF (text[k] != expect) {
error("nc_get_att_text: unexpected value");
} else {
nok++;
}
}
} else {
err = nc_get_att_double(ncid, varid, name, value);
IF (err)
error("nc_get_att_double: %s", nc_strerror(err));
for (k = 0; k < attlength; k++) {
expect = hash(datatype, -1, &k);
if (inRange(expect, datatype)) {
IF (!equal(value[k],expect,datatype,NCT_DOUBLE)) {
error("nc_get_att_double: unexpected value");
} else {
nok++;
}
}
}
}
}
}
print_nok(nok);
/* Now in data mode */
/* Try making names even longer. Then restore original names */
for (i = -1; i < NVARS; i++) {
varid = VARID(i);
for (j = 0; j < NATTS(i); j++) {
attname = ATT_NAME(i,j);
(void) strcpy(oldname, "new_");
(void) strcat(oldname, attname);
(void) strcpy(newname, "even_longer_");
(void) strcat(newname, attname);
err = nc_rename_att(ncid, varid, oldname, newname);
IF (err != NC_ENOTINDEFINE)
error("longer name in data mode: status = %d", err);
err = nc_rename_att(ncid, varid, oldname, attname);
IF (err)
error("nc_rename_att: %s", nc_strerror(err));
err = nc_inq_attid(ncid, varid, attname, &attnum);
IF (err)
error("nc_inq_attid: %s", nc_strerror(err));
IF (attnum != j)
error("Unexpected attnum");
}
}
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_del_att
* try with bad netCDF handle, check error
* try with bad variable handle, check error
* try with nonexisting att name, check error
* check that proper delete worked using:
* nc_inq_attid, nc_inq_natts, nc_inq_varnatts
*/
void
test_nc_del_att(void)
{
int ncid;
int err;
int i;
int j;
int attnum;
int natts;
int numatts;
int varid;
char *name; /* of att */
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
err = nc_del_att(ncid, BAD_VARID, "abc");
IF (err != NC_ENOTVAR)
error("bad var id: status = %d", err);
def_dims(ncid);
def_vars(ncid);
put_atts(ncid);
for (i = -1; i < NVARS; i++) {
varid = VARID(i);
numatts = NATTS(i);
for (j = 0; j < numatts; j++) {
name = ATT_NAME(i,j);
err = nc_del_att(BAD_ID, varid, name);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
err = nc_del_att(ncid, varid, "noSuch");
IF (err != NC_ENOTATT)
error("bad attname: status = %d", err);
err = nc_del_att(ncid, varid, name);
IF (err)
error("nc_del_att: %s", nc_strerror(err));
err = nc_inq_attid(ncid, varid, name, &attnum);
IF (err != NC_ENOTATT)
error("bad attname: status = %d", err);
if (i < 0) {
err = nc_inq_natts(ncid, &natts);
IF (err)
error("nc_inq_natts: %s", nc_strerror(err));
IF (natts != numatts-j-1)
error("natts: expected %d, got %d", numatts-j-1, natts);
}
err = nc_inq_varnatts(ncid, varid, &natts);
IF (err)
error("nc_inq_varnatts: %s", nc_strerror(err));
IF (natts != numatts-j-1)
error("natts: expected %d, got %d", numatts-j-1, natts);
}
}
/* Close. Reopen & check no attributes left */
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = nc_open(scratch, NC_WRITE, &ncid);
IF (err)
error("nc_open: %s", nc_strerror(err));
err = nc_inq_natts(ncid, &natts);
IF (err)
error("nc_inq_natts: %s", nc_strerror(err));
IF (natts != 0)
error("natts: expected %d, got %d", 0, natts);
for (i = -1; i < NVARS; i++) {
varid = VARID(i);
err = nc_inq_varnatts(ncid, varid, &natts);
IF (err)
error("nc_inq_natts: %s", nc_strerror(err));
IF (natts != 0)
error("natts: expected %d, got %d", 0, natts);
}
/* restore attributes. change to data mode. try to delete */
err = nc_redef(ncid);
IF (err)
error("nc_redef: %s", nc_strerror(err));
put_atts(ncid);
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
for (i = -1; i < NVARS; i++) {
varid = VARID(i);
numatts = NATTS(i);
for (j = 0; j < numatts; j++) {
name = ATT_NAME(i,j);
err = nc_del_att(ncid, varid, name);
IF (err != NC_ENOTINDEFINE)
error("in data mode: status = %d", err);
}
}
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/*
* Test nc_set_fill
* try with bad netCDF handle, check error
* try in read-only mode, check error
* try with bad new_fillmode, check error
* try in data mode, check error
* check that proper set to NC_FILL works for record & non-record variables
* (note that it is not possible to test NC_NOFILL mode!)
* close file & create again for test using attribute _FillValue
*/
void
test_nc_set_fill(void)
{
int ncid;
int varid;
int err;
int i;
int j;
int old_fillmode;
int nok = 0; /* count of valid comparisons */
char text = 0;
double value = 0;
double fill;
size_t index[MAX_RANK];
/* bad ncid */
err = nc_set_fill(BAD_ID, NC_NOFILL, &old_fillmode);
IF (err != NC_EBADID)
error("bad ncid: status = %d", err);
/* try in read-only mode */
err = nc_open(testfile, NC_NOWRITE, &ncid);
IF (err)
error("nc_open: %s", nc_strerror(err));
err = nc_set_fill(ncid, NC_NOFILL, &old_fillmode);
IF (err != NC_EPERM)
error("read-only: status = %d", err);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
/* create scratch */
err = nc_create(scratch, NC_NOCLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
/* BAD_FILLMODE */
err = nc_set_fill(ncid, BAD_FILLMODE, &old_fillmode);
IF (err != NC_EINVAL)
error("bad fillmode: status = %d", err);
/* proper calls */
err = nc_set_fill(ncid, NC_NOFILL, &old_fillmode);
IF (err)
error("nc_set_fill: %s", nc_strerror(err));
IF (old_fillmode != NC_FILL)
error("Unexpected old fill mode: %d", old_fillmode);
err = nc_set_fill(ncid, NC_FILL, &old_fillmode);
IF (err)
error("nc_set_fill: %s", nc_strerror(err));
IF (old_fillmode != NC_NOFILL)
error("Unexpected old fill mode: %d", old_fillmode);
/* define dims & vars */
def_dims(ncid);
def_vars(ncid);
/* Change to data mode. Set fillmode again */
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
err = nc_set_fill(ncid, NC_FILL, &old_fillmode);
IF (err)
error("nc_set_fill: %s", nc_strerror(err));
IF (old_fillmode != NC_FILL)
error("Unexpected old fill mode: %d", old_fillmode);
/* Write record number NRECS to force writing of preceding records */
/* Assumes variable cr is char vector with UNLIMITED dimension */
err = nc_inq_varid(ncid, "cr", &varid);
IF (err)
error("nc_inq_varid: %s", nc_strerror(err));
index[0] = NRECS;
err = nc_put_var1_text(ncid, varid, index, &text);
IF (err)
error("nc_put_var1_text: %s", nc_strerror(err));
/* get all variables & check all values equal default fill */
for (i = 0; i < NVARS; i++) {
switch (var_type[i]) {
case NC_CHAR: fill = NC_FILL_CHAR; break;
case NC_BYTE: fill = NC_FILL_BYTE; break;
case NC_SHORT: fill = NC_FILL_SHORT; break;
case NC_INT: fill = NC_FILL_INT; break;
case NC_FLOAT: fill = NC_FILL_FLOAT; break;
case NC_DOUBLE: fill = NC_FILL_DOUBLE; break;
default: assert(0);
}
for (j = 0; j < var_nels[i]; j++) {
err = toMixedBase(j, var_rank[i], var_shape[i], index);
IF (err)
error("error in toMixedBase");
if (var_type[i] == NC_CHAR) {
err = nc_get_var1_text(ncid, i, index, &text);
IF (err)
error("nc_get_var1_text failed: %s", nc_strerror(err));
value = text;
} else {
err = nc_get_var1_double(ncid, i, index, &value);
IF (err)
error("nc_get_var1_double failed: %s", nc_strerror(err));
}
IF (value != fill && fabs((fill - value)/fill) > DBL_EPSILON)
error("\n\t\tValue expected: %-23.17e,\n\t\t read: %-23.17e\n",
fill, value);
else
nok++;
}
}
/* close scratch & create again for test using attribute _FillValue */
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = nc_create(scratch, NC_CLOBBER, &ncid);
IF (err) {
error("nc_create: %s", nc_strerror(err));
return;
}
def_dims(ncid);
def_vars(ncid);
/* set _FillValue = 42 for all vars */
text = fill = 42;
for (i = 0; i < NVARS; i++) {
if (var_type[i] == NC_CHAR) {
err = nc_put_att_text(ncid, i, "_FillValue", 1, &text);
IF (err)
error("nc_put_att_text: %s", nc_strerror(err));
} else {
err = nc_put_att_double(ncid, i, "_FillValue",var_type[i],1,&fill);
IF (err)
error("nc_put_att_double: %s", nc_strerror(err));
}
}
/* data mode. write records */
err = nc_enddef(ncid);
IF (err)
error("nc_enddef: %s", nc_strerror(err));
index[0] = NRECS;
err = nc_put_var1_text(ncid, varid, index, &text);
IF (err)
error("nc_put_var1_text: %s", nc_strerror(err));
/* get all variables & check all values equal 42 */
for (i = 0; i < NVARS; i++) {
for (j = 0; j < var_nels[i]; j++) {
err = toMixedBase(j, var_rank[i], var_shape[i], index);
IF (err)
error("error in toMixedBase");
if (var_type[i] == NC_CHAR) {
err = nc_get_var1_text(ncid, i, index, &text);
IF (err)
error("nc_get_var1_text failed: %s", nc_strerror(err));
value = text;
} else {
err = nc_get_var1_double(ncid, i, index, &value);
IF (err)
error("nc_get_var1_double failed: %s", nc_strerror(err));
}
IF (value != fill)
error(" Value expected: %g, read: %g\n", fill, value);
else
nok++;
}
}
print_nok(nok);
err = nc_close(ncid);
IF (err)
error("nc_close: %s", nc_strerror(err));
err = remove(scratch);
IF (err)
error("remove of %s failed", scratch);
}
/* This function gets the version of a netCDF file, 1 is for netCDF
classic, 2 for 64-bit offset format, (someday) 3 for HDF5 format.
*/
#define MAGIC_NUM_LEN 4
static
int
nc_get_file_version(char *path, int *version)
{
FILE *fp;
char magic[MAGIC_NUM_LEN];
/* Need two valid pointers - check for NULL. */
if (!version || !path)
return NC_EINVAL;
/* Figure out if this is a netcdf or hdf5 file. */
if (!(fp = fopen(path, "r")) ||
fread(magic, MAGIC_NUM_LEN, 1, fp) != 1)
return errno;
fclose(fp);
if (strncmp(magic, "CDF", MAGIC_NUM_LEN-1)==0)
{
if (magic[MAGIC_NUM_LEN-1] == NC_FORMAT_CLASSIC ||
magic[MAGIC_NUM_LEN-1] == NC_FORMAT_64BIT)
*version = magic[MAGIC_NUM_LEN-1];
else
return NC_ENOTNC;
}
/* tomorrow, tomorrow, I love you tomorrow, you're always a day
away! */
/*if (magic[1] == 'H' && magic[2] == 'D' && magic[3] == 'F')
*version = 3;*/
return NC_NOERR;
}
/*
* Test nc_set_default_format
* try with bad default format
* try with NULL old_formatp
* try in data mode, check error
* check that proper set to NC_FILL works for record & non-record variables
* (note that it is not possible to test NC_NOFILL mode!)
* close file & create again for test using attribute _FillValue
*/
void
test_nc_set_default_format(void)
{
int ncid;
int err;
int i;
int version;
int old_format;
/* bad format */
err = nc_set_default_format(BAD_DEFAULT_FORMAT, &old_format);
IF (err != NC_EINVAL)
error("bad default format: status = %d", err);
/* NULL old_formatp */
err = nc_set_default_format(NC_FORMAT_64BIT, NULL);
IF (err)
error("null old_fortmatp: status = %d", err);
/* Cycle through available formats. */
for(i=1; i<3; i++)
{
if ((err = nc_set_default_format(i, NULL)))
error("setting classic format: status = %d", err);
if ((err=nc_create(scratch, NC_CLOBBER, &ncid)))
error("bad nc_create: status = %d", err);
if ((err=nc_put_att_text(ncid, NC_GLOBAL, "testatt",
sizeof("blah"), "blah")))
error("bad put_att: status = %d", err);
if ((err=nc_close(ncid)))
error("bad close: status = %d", err);
if ((err = nc_get_file_version(scratch, &version)))
error("bad file version = %d", err);
if (version != i)
error("bad file version = %d", err);
}
/* Remove the left-over file. */
if ((err = remove(scratch)))
error("remove of %s failed", scratch);
}
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